| 1 | !function(){if("undefined"!=typeof self&&self.Prism&&self.document){var c=/(?:^|\s)match-braces(?:\s|$)/,a=/(?:^|\s)brace-hover(?:\s|$)/,l=/(?:^|\s)brace-selected(?:\s|$)/,n=/(?:^|\s)no-brace-hover(?:\s|$)/,t=/(?:^|\s)no-brace-select(?:\s|$)/,u={"(":")","[":"]","{":"}"},f={"(":"brace-round","[":"brace-square","{":"brace-curly"},m=0,r=/^(pair-\d+-)(open|close)$/;Prism.hooks.add("complete",function(e){var a=e.element,n=a.parentElement;if(n&&"PRE"==n.tagName){for(var t=[],r=a;r;r=r.parentElement)if(c.test(r.className)){t.push("(","[","{");break}if(0!=t.length){n.__listenerAdded||(n.addEventListener("mousedown",function(){var e=n.querySelector("code");Array.prototype.slice.call(e.querySelectorAll(".brace-selected")).forEach(function(e){e.className=e.className.replace(l," ")})}),Object.defineProperty(n,"__listenerAdded",{value:!0}));var o=Array.prototype.slice.call(a.querySelectorAll("span.token.punctuation")),i=[];t.forEach(function(e){for(var a=u[e],n=f[e],t=[],r=[],s=0;s<o.length;s++){var c=o[s];if(0==c.childElementCount){var l=c.textContent;l===e?(i.push({index:s,open:!0,element:c}),c.className+=" "+n,c.className+=" brace-open",r.push(s)):l===a&&(i.push({index:s,open:!1,element:c}),c.className+=" "+n,c.className+=" brace-close",r.length&&t.push([s,r.pop()]))}}t.forEach(function(e){var a="pair-"+m+++"-",n=o[e[0]],t=o[e[1]];n.id=a+"open",t.id=a+"close",[n,t].forEach(function(e){e.addEventListener("mouseenter",p),e.addEventListener("mouseleave",d),e.addEventListener("click",h)})})});var s=0;i.sort(function(e,a){return e.index-a.index}),i.forEach(function(e){e.open?(e.element.className+=" brace-level-"+(s%12+1),s++):(s=Math.max(0,s-1),e.element.className+=" brace-level-"+(s%12+1))})}}})}function s(e){var a=r.exec(e.id);return document.querySelector("#"+a[1]+("open"==a[2]?"close":"open"))}function p(){for(var e=this.parentElement;e;e=e.parentElement)if(n.test(e.className))return;[this,s(this)].forEach(function(e){e.className=(e.className.replace(a," ")+" brace-hover").replace(/\s+/g," ")})}function d(){[this,s(this)].forEach(function(e){e.className=e.className.replace(a," ")})}function h(){for(var e=this.parentElement;e;e=e.parentElement)if(t.test(e.className))return;[this,s(this)].forEach(function(e){e.className=(e.className.replace(l," ")+" brace-selected").replace(/\s+/g," ")})}}(); |